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Finding the Fourth Proportional to 6,482.79, 9,725.74 and 2,100.26

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Solution

The fourth proportional to 6,482.79, 9,725.74 and 2,100.26 is: 3,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.79 : 9,725.74 = 2,100.26 : x
  2. Step 2: Convert to fraction form
    6,482.79/9,725.74 = 2,100.26/x
  3. Step 3: Cross multiply
    6,482.79x = 9,725.74 × 2,100.26
  4. Step 4: Simplify right side
    6,482.79x = 20,426,582.69
  5. Step 5: Solve for x
    x = 20,426,582.69/6,482.79
  6. Step 6: Final answer
    x = 3,150.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.